2 * support.c - provides standard pnp functions for the use of pnp protocol drivers,
4 * Copyright 2003 Adam Belay <ambx1@neo.rr.com>
8 #include <linux/config.h>
9 #include <linux/module.h>
10 #include <linux/ctype.h>
12 #ifdef CONFIG_PNP_DEBUG
18 #include <linux/pnp.h>
22 * pnp_is_active - Determines if a device is active based on its current resources
23 * @dev: pointer to the desired PnP device
27 int pnp_is_active(struct pnp_dev * dev)
29 if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 &&
30 !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 &&
31 pnp_irq(dev, 0) == -1 &&
32 pnp_dma(dev, 0) == -1)
40 EXPORT_SYMBOL(pnp_is_active);